CN114921981B - Flame-retardant coating dyed para-aramid fabric and dyeing method thereof - Google Patents
Flame-retardant coating dyed para-aramid fabric and dyeing method thereof Download PDFInfo
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- CN114921981B CN114921981B CN202210696365.7A CN202210696365A CN114921981B CN 114921981 B CN114921981 B CN 114921981B CN 202210696365 A CN202210696365 A CN 202210696365A CN 114921981 B CN114921981 B CN 114921981B
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- 239000004744 fabric Substances 0.000 title claims abstract description 51
- 229920003235 aromatic polyamide Polymers 0.000 title claims abstract description 44
- 238000004043 dyeing Methods 0.000 title claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003063 flame retardant Substances 0.000 title claims abstract description 36
- 238000000576 coating method Methods 0.000 title claims abstract description 29
- 239000011248 coating agent Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 22
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000853 adhesive Substances 0.000 claims abstract description 24
- 230000001070 adhesive effect Effects 0.000 claims abstract description 24
- 239000011574 phosphorus Substances 0.000 claims abstract description 24
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 24
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 23
- 238000007639 printing Methods 0.000 claims abstract description 12
- 239000004114 Ammonium polyphosphate Substances 0.000 claims abstract description 10
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims abstract description 10
- 229920001276 ammonium polyphosphate Polymers 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims description 24
- 239000003973 paint Substances 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 11
- 239000004760 aramid Substances 0.000 claims description 9
- 239000003995 emulsifying agent Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000004132 cross linking Methods 0.000 claims description 7
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical group OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 238000010556 emulsion polymerization method Methods 0.000 claims description 3
- OMNKZBIFPJNNIO-UHFFFAOYSA-N n-(2-methyl-4-oxopentan-2-yl)prop-2-enamide Chemical group CC(=O)CC(C)(C)NC(=O)C=C OMNKZBIFPJNNIO-UHFFFAOYSA-N 0.000 claims description 3
- WDHYRUBXLGOLKR-UHFFFAOYSA-N phosphoric acid;prop-2-enoic acid Chemical group OC(=O)C=C.OP(O)(O)=O WDHYRUBXLGOLKR-UHFFFAOYSA-N 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 12
- 229920006231 aramid fiber Polymers 0.000 abstract description 11
- 238000007654 immersion Methods 0.000 abstract description 4
- 239000003086 colorant Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003760 magnetic stirring Methods 0.000 abstract 1
- 239000004753 textile Substances 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical group C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3564—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing phosphorus
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
- D06P1/5257—(Meth)acrylic acid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65131—Compounds containing ether or acetal groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67366—Phosphates or polyphosphates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The application discloses a flame-retardant coating dyeing para-aramid fabric and a dyeing method thereof, wherein 0.5-1.5% of silane coupling agent KH-560, 12-20% of ammonium polyphosphate, 1-4% of fluorescent coating color paste and 10-50% of phosphorus-containing polyacrylate adhesive are added into 30-50% of water, and magnetic stirring and dispersing are adopted for 10-20min to prepare the coating printing paste. And (3) immersing the aramid fiber fabric in the pigment printing paste for 5-10min, performing secondary immersion and secondary padding, and then performing pre-baking and baking to obtain the flame-retardant pigment-dyed para-aramid fiber fabric. The invention ensures the flame retardant effect of the aramid fiber while endowing the para-aramid fiber fabric with rich colors, and the dyed fabric has higher color fastness.
Description
Technical Field
The invention relates to the technical field of textile dyeing, in particular to a flame-retardant coating dyeing para-aramid fabric and a dyeing method thereof.
Background
Para-aramid is known as poly (paraphenylene terephthalamide) fiber, abbreviated as PPTA, also known as aramid 1414. The para-aramid has the excellent performances of good strength, high modulus, high temperature resistance, flame retardance, chemical resistance, low density, good insulativity and the like, and has wide application in a plurality of fields such as safety protection, military, aerospace, communication, sports and the like. The para-aramid fiber is golden yellow, has compact molecular structure, high crystallinity, strong intermolecular force, difficult fiber swelling, high glass transition temperature and no hydrophilic group in the molecular structure, so that the para-aramid fiber is very difficult to dye, and the application of the para-aramid fiber in the fields of textiles and composite materials is limited. At present, para-aramid is dyed mainly by a special dyeing method, such as a carrier dyeing method, plasma treatment, ultrasonic technology, grafting modification and other technologies. The para-aramid dyed by the method has the defects of poor mechanical property, low color fastness and the like.
Compared with the traditional dye, the pigment dyeing has the characteristics of simple operation, wide applicable fiber range and the like. Since the coating itself is insoluble in water and does not have affinity with the fibers, it is necessary to fix it to the fabric surface during the production process by means of the crosslinking film-forming action of the binder. Compared with other types of adhesives, the polyacrylate adhesive has the advantages of green color and no formaldehyde release, so that the polyacrylate adhesive is widely used in pigment dyeing, but common polyacrylate adhesives are inflammable and can reduce the thermal stability of dyed fabrics.
Disclosure of Invention
The technical problems to be solved are as follows:
aiming at the defects of the prior art, the application solves the technical problems that the prior aramid fiber has compact molecular structure, high crystallinity and high glass transition temperature, poor fiber hydrophilicity, difficult swelling of the fiber in water, difficult dyeing and the like, and provides the dyeing method of the flame-retardant coating dyed para-aramid fiber fabric.
The technical scheme is as follows:
in order to achieve the above purpose, the present application is implemented by the following technical schemes:
a dyeing method for dyeing para-aramid fabrics by using flame retardant paint comprises the following steps:
the first step: adding 0.5-1.5 parts of silane coupling agent KH-560, 12-20 parts of ammonium polyphosphate, 1-4 parts of fluorescent paint color paste and 10-50 parts of phosphorus-containing polyacrylate adhesive into 30-50 parts of water according to the mass part ratio, and magnetically stirring and dispersing for 10-20min at the stirring speed of 500rpm to prepare paint printing paste;
and a second step of: soaking aramid fabric in pigment printing paste for 5-10min, and uniformly rollingThe two-soaking and two-rolling are carried out by a rolling mill, and the pressure of the rolling mill is 2kg/cm 2 And then pre-baking for 3min at 100 ℃, and baking for 3min at 130-140 ℃ to obtain the flame-retardant coating dyed para-aramid fabric.
Further, in the first step, the polymerization degree of ammonium polyphosphate is 30 to 100.
Further, the phosphorus-containing polyacrylate adhesive in the first step is prepared by mixing 0.6 part of emulsifier, 24 parts of soft monomer, 6 parts of hard monomer, 6.6 parts of phosphorus-containing monomer, 1.2 parts of crosslinking monomer, 1.5 parts of pH regulator and 0.3 part of initiator according to the weight parts, and polymerizing at 85 ℃ for 1.5-2 hours by adopting a seed emulsion polymerization method.
Further, the emulsifier consists of sodium dodecyl sulfate and isomeric tridecanol polyoxyethylene ether, wherein the mass ratio of the sodium dodecyl sulfate to the isomeric tridecanol polyoxyethylene ether is 1:2, the amount of the emulsifier is 0.6% relative to the total mass of the phosphorus-containing polyacrylate adhesive.
Further, butyl acrylate is adopted as the soft monomer, and methyl methacrylate is adopted as the hard monomer; the amounts of butyl acrylate and methyl methacrylate were 24% and 6% respectively, relative to the total mass of the phosphorus-containing polyacrylate adhesive.
Further, the phosphorus-containing monomer is acrylic acid phosphateFM-20, the pH regulator is triethanolamine, the crosslinking monomer is diacetone acrylamide, and the initiator is ammonium persulfate.
The application also discloses a flame retardant coating dyed para-aramid fabric prepared by the dyeing method.
The principle of the dyeing para-aramid fabric of the flame retardant coating and the dyeing method thereof is as follows: the coating and the ammonium polyphosphate with flame retardant property are fixed on the aramid fiber fabric together by utilizing the film forming property of the phosphorus-containing polyacrylate adhesive with flame retardant property, so that the aramid fiber fabric is endowed with rich colors, and the flame retardant effect of the aramid fiber is ensured.
The beneficial effects are that:
the application provides a flame retardant coating dyeing para-aramid fabric and a dyeing method thereof, compared with the prior art, the flame retardant coating dyeing para-aramid fabric has the following beneficial effects:
1. the application provides a flame-retardant coating dyeing para-aramid fabric and a dyeing method thereof, wherein a phosphorus-containing polyacrylate adhesive is compounded with ammonium polyphosphate, a silane coupling agent KH-560 and a coating, and a pad baking process is adopted to dye the para-aramid fabric, so that the problems that special pretreatment is required for dyeing the aramid fabric, the mechanical properties of the dyed fabric are poor and the like in the prior art are solved.
2. The method ensures the flame retardant effect of the aramid fiber while endowing the aramid fiber fabric with rich colors.
3. The dyeing method is convenient, special equipment is not needed, and the dyeing water consumption and the generated waste water are small.
4. Compared with the fabric dyed by the coating material by adopting the non-phosphorus polyacrylate adhesive and only using the phosphorus polyacrylate adhesive, the dyed aramid fabric has obviously improved color yield and flame retardant property.
Drawings
FIG. 1 is a graph of the surface topography of a dyed aramid fabric of different types of adhesive coatings after vertical burning.
Detailed Description
The invention is further described below with reference to examples, which are intended to be illustrative only and not to limit the scope of the claims, as other alternatives, which can be envisaged by a person skilled in the art, are within the scope of the claims.
The silane coupling agent KH-560 is purchased from Nanjing Ning chemical Co., ltd, the fluorescent paint color paste is prepared from 0.6 part of emulsifier, 24 parts of soft monomer, 6 parts of hard monomer, 6.6 parts of phosphorus monomer, 1.2 parts of crosslinking monomer, 1.5 parts of pH regulator and 0.3 part of initiator by proportioning according to parts by weight, and the fluorescent paint color paste is prepared by polymerizing at 85 ℃ for 1.5-2 hours by adopting a seed emulsion polymerization method. The emulsifier consists of sodium dodecyl sulfate and isomeric tridecanol polyoxyethylene ether, wherein the mass ratio of the sodium dodecyl sulfate to the isomeric tridecanol polyoxyethylene ether is 1:2, the amount of emulsifier is relative to the amount of the phosphorus-containing polyacrylateThe total mass of the adhesive is 0.6%; butyl acrylate is adopted as the soft monomer, and methyl methacrylate is adopted as the hard monomer; the dosages of butyl acrylate and methyl methacrylate are respectively 24 percent and 6 percent relative to the total mass of the phosphorus-containing polyacrylate adhesive; the phosphorus-containing monomer is acrylic acid phosphateFM-20, the pH regulator is triethanolamine, the crosslinking monomer is diacetone acrylamide, and the initiator is ammonium persulfate.
Example 1:
a dyeing method for dyeing para-aramid fabrics by flame retardant paint comprises the following steps:
the first step: adding 0.25g of silane coupling agent KH-560, 4.5g of ammonium polyphosphate, 1g of fluorescent orange paint color paste and 12.5g of phosphorus-containing polyacrylate adhesive into 6.75g of distilled water, and magnetically stirring and dispersing for 20min at a stirring speed of 500rpm to prepare paint printing paste;
and a second step of: immersing 5g of para-aramid woven fabric in pigment printing paste for 10min, and then performing double-immersion and double-rolling by using a uniform rolling mill with the pressure of 2kg/cm 2 And then pre-baking for 3min at 100 ℃ and baking for 3min at 140 ℃ to obtain the flame-retardant coating dyed para-aramid fabric.
In order to examine the flame retardant property and the color fastness of the prepared flame retardant aramid fiber coating dyed fabric, refer to GB/T5455-2014 'determination of damage length, smoldering and continuous burning time in the vertical direction of the combustion property of textiles', sample preparation is carried out under the condition B, and the continuous burning time, smoldering time and damage length of the dyed fabric are determined; the rub fastness of the dyed fabrics was determined with reference to GB/T3920-2008 "rubbing fastness to textile colour fastness test", and compared with the use of conventional polyacrylate binders, the results are shown in Table 1. FIG. 1 is a graph of the surface topography of a dyed aramid fabric of different types of adhesive coatings after vertical burning.
Example 2:
a dyeing method for dyeing para-aramid fabrics by flame retardant paint comprises the following steps:
the first step: adding 0.25g of silane coupling agent KH-560, 4g of ammonium polyphosphate, 1g of fluorescent orange paint color paste and 12.5g of phosphorus-containing polyacrylate adhesive into 7.25g of distilled water, and magnetically stirring and dispersing for 10min at a stirring speed of 500rpm to prepare paint printing paste;
and a second step of: immersing 5g of para-aramid woven fabric in pigment printing paste for 5min, and then performing double-immersion and double-rolling by using a uniform rolling mill with the pressure of 2kg/cm 2 And then pre-baking for 3min at 100 ℃ and baking for 3min at 130 ℃ to obtain the flame-retardant coating dyed para-aramid fabric.
In order to examine the flame retardant property and the color fastness of the prepared flame retardant aramid fiber coating dyed fabric, refer to GB/T5455-2014 'determination of damage length, smoldering and continuous burning time in the vertical direction of the combustion property of textiles', sample preparation is carried out under the condition B, and the continuous burning time, smoldering time and damage length of the dyed fabric are determined; the rub fastness of the dyed fabrics was determined with reference to GB/T3920-2008 "rubbing fastness to textile colour fastness test", and compared with the use of conventional polyacrylate binders, the results are shown in Table 1.
Example 3:
a dyeing method for dyeing para-aramid fabrics by flame retardant paint comprises the following steps:
the first step: adding 0.25g of silane coupling agent KH-560, 4g of ammonium polyphosphate, 1g of fluorescent orange paint color paste and 10g of phosphorus-containing polyacrylate adhesive into 9.75g of distilled water, and magnetically stirring and dispersing for 10min to prepare paint printing paste;
and a second step of: immersing 5g of para-aramid woven fabric in pigment printing paste for 5min, and then performing double-immersion and double-rolling by using a uniform rolling mill with the pressure of 2kg/cm 2 And then pre-baking for 3min at 100 ℃ and baking for 3min at 130 ℃ to obtain the flame-retardant coating dyed para-aramid fabric.
In order to examine the flame retardant property and the color fastness of the prepared flame retardant aramid fiber coating dyed fabric, refer to GB/T5455-2014 'determination of damage length, smoldering and continuous burning time in the vertical direction of the combustion property of textiles', sample preparation is carried out under the condition B, and the continuous burning time, smoldering time and damage length of the dyed fabric are determined; the rub fastness of the dyed fabrics was determined with reference to GB/T3920-2008 "rubbing fastness to textile colour fastness test", and compared with the use of conventional polyacrylate binders, the results are shown in Table 1.
Table 1 pigment dyeing aramid fabric properties
As can be seen from Table 1, the aramid fabric obtained by the pigment dyeing method of the invention has higher K/S value, dyeing fastness and flame retardant property.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The dyeing method for dyeing para-aramid fabric by using the flame retardant coating is characterized by comprising the following steps of:
the first step: adding 0.5-1.5 parts of silane coupling agent KH-560, 12-20 parts of ammonium polyphosphate, 1-4 parts of fluorescent paint color paste and 10-50 parts of phosphorus-containing polyacrylate adhesive into 30-50 parts of water according to the weight part ratio, and magnetically stirring and dispersing for 10-20min at the stirring speed of 500rpm to prepare paint printing paste, wherein the polymerization degree of the ammonium polyphosphate is 30-100;
and a second step of: soaking aramid fabric in pigment printing paste for 5-10min, and performing double soaking and double rolling with a uniform rolling mill with the pressure of 2kg/cm 2 Then, pre-baking for 3min at 100 ℃, and baking for 3min at 130-140 ℃ to obtain the flame-retardant coating dyed para-aramid fabric;
the phosphorus-containing polyacrylate adhesive in the first step is prepared by carrying out polymerization reaction for 1.5-2 hours at 85 ℃ by adopting a seed emulsion polymerization method according to the weight parts of 0.6 part of emulsifier, 24 parts of soft monomer, 6 parts of hard monomer, 6.6 parts of phosphorus-containing monomer, 1.2 parts of crosslinking monomer, 1.5 parts of pH regulator and 0.3 part of initiator;
the emulsifier consists of sodium dodecyl sulfate and isomeric tridecanol polyoxyethylene ether, wherein the mass ratio of the sodium dodecyl sulfate to the isomeric tridecanol polyoxyethylene ether is 1:2, the using amount of the emulsifier is 0.6% relative to the total mass of the phosphorus-containing polyacrylate adhesive;
the soft monomer adopts butyl acrylate, and the hard monomer adopts methyl methacrylate; the dosages of butyl acrylate and methyl methacrylate are respectively 24 percent and 6 percent relative to the total mass of the phosphorus-containing polyacrylate adhesive;
the phosphorus-containing monomer is acrylic acid phosphate NTCADA-20, the pH regulator is triethanolamine, the crosslinking monomer is diacetone acrylamide, and the initiator is ammonium persulfate.
2. A flame retardant coating dyed para-aramid fabric made by the method of dyeing a flame retardant coating dyed para-aramid fabric of claim 1.
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